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What's new in Thunderbird Beta for Testers (f-droid version) 15.0
- 'Colorize contact pictures' default changed unexpectedly from true to false
- Displaying IMAP password in did not prompt for authentication
About Thunderbird Beta for Testers (f-droid version) 15.0
Premium
Features
* Supports multiple accounts
* Unified Inbox
* Privacy-friendly (no tracking whatsoever, only connects to your email provider)
* Automatic background synchronization or push notifications
* Local and server-side search
* OpenPGP email encryption (PGP/MIME)
Install the app OpenKeychain: Easy PGP to encrypt/decrypt your emails using OpenPGP.
Support
If you're having trouble with K-9 Mail, ask for help in our support forum.
Want to help?
K-9 Mail is a community developed project. If you're interested in helping to improve the app, please join us!
You can find our bug tracker, source code, and wiki at https://github.com/thunderbird/thunderbird-android.
We're always happy to welcome new developers, designers, documenters, translators, bug triagers and friends.
Version:15.0
Uploaded:January 12, 2026 at 3:40PM UTC
File size:13.29 MB
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Version:15.0
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Version:12.0
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Version:11.0
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Version:10.0
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File size:10.22 MB
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Version:9.0
Uploaded:March 24, 2025 at 1:58PM UTC
File size:10.13 MB
Downloads:20
